MockFieldNoValue.java

/*
 * Copyright (c) 2007-present, Stephen Colebourne & Michael Nascimento Santos
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 *  * Neither the name of JSR-310 nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.threeten.bp.temporal;

import static org.threeten.bp.temporal.ChronoUnit.MONTHS;
import static org.threeten.bp.temporal.ChronoUnit.WEEKS;

import java.util.Locale;
import java.util.Map;

import org.threeten.bp.DateTimeException;
import org.threeten.bp.format.ResolverStyle;

/**
 * Mock DateTimeField that returns null.
 */
public enum MockFieldNoValue implements TemporalField {

    INSTANCE;

    @Override
    public String toString() {
        return null;
    }

    @Override
    public TemporalUnit getBaseUnit() {
        return WEEKS;
    }

    @Override
    public TemporalUnit getRangeUnit() {
        return MONTHS;
    }

    @Override
    public ValueRange range() {
        return ValueRange.of(1, 20);
    }

    //-----------------------------------------------------------------------
    @Override
    public boolean isDateBased() {
        return true;
    }

    @Override
    public boolean isTimeBased() {
        return false;
    }

    @Override
    public boolean isSupportedBy(TemporalAccessor dateTime) {
        return true;
    }

    @Override
    public ValueRange rangeRefinedBy(TemporalAccessor dateTime) {
        return ValueRange.of(1, 20);
    }

    @Override
    public long getFrom(TemporalAccessor dateTime) {
        throw new DateTimeException("Mock");
    }

    @Override
    public <R extends Temporal> R adjustInto(R dateTime, long newValue) {
        throw new DateTimeException("Mock");
    }

    @Override
    public String getDisplayName(Locale locale) {
        return "Mock";
    }

    //-----------------------------------------------------------------------
    @Override
    public TemporalAccessor resolve(Map<TemporalField, Long> fieldValues,
                    TemporalAccessor partialTemporal, ResolverStyle resolverStyle) {
        return null;
    }

}